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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div{
            /* text-decoration的四种属性值：none默认、underline下划线、overline上划线（几乎不用）、line-through删除线; */
            /* 下划线 */
            text-decoration: underline;
            text-align: center;
        }
        /* 可去除链接的下划线 */
        a{
            text-decoration: none;
            text-align: center;
        }
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<body>
    <div>Heal a soul with music</div>
    <a href="#">Heal a soul with music</a>    
</body>
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